10            20        30         40        50         
UGGAGGUAGAUACUUGG----|   UG     C       GU-    CCA        UUCGU 
                     CGAU  GGGUA GUUUUCU   UGCG   AGGGCAUA     \
                     GCUG  UCUAU CAGAAGA   ACGC   UCUCGUAU     A
CUCCAUCACUACAUCGCCUCC^   --     A       ACC    UG-        CUCUU 
       110       100          90        80         70        60